Traditional bakers have been able to create a vast variety of foods over the last several hundred years of baking evolution. It’s surprising when you realize that everything from puddings to cakes to cookies vary little in the range of ingredients used. Versatile ingredients such as flour, sugar, fat and eggs make this sort of variation possible. These are the building blocks of pastry. Vegan baking is easy when all you have to worry about is manipulating flour, sugar and fat. So what are we do to do in regards to replacing the almighty egg? There is a legend that the Romans believed in chicken eggs so much, they mixed them into their concrete. To first understand what we need to replicate this building block we need to understand what an egg does in the world of baking.